Preheat the oven to 400*F.,Whisk cornmeal, flour, sugar, baking powder, 1 teaspoons salt, pepper(if using), and cayenne together(to taste).,Whisk together egg, milk, corn, if using, and yogurt. Gently stir in melted butter and lemon zest.,Meanwhile, place the remaining tablespoon butter in an 8" ovenproof skillet(preferably cast iron-you may use a pie dish if necessary). Heat in oven until the butter is melted and foaming, about 2 minutes. Remove from the oven and pour batter into skillet.,______